Earbud with curved surfaces



FIG. 1 is a side perspective view of an earbud with curved surfaces showing my new design;

FIG. 2 is an opposite perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a side elevational view thereof; and,

FIG. 8 is an opposite side elevational view thereof.

The broken lines form no part of the claimed design. 

The ornamental design for an earbud with curved surfaces, as shown and described. 